# iCPG vs Littmann Learning

The clearest difference is monetization model: Littmann Learning at free with in-app purchases against iCPG's subscription. Littmann Learning also leads on update cadence (every 6 weeks vs every 4 months) and chart position (#198 vs unranked). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. iCPG sells 2 in-app purchases, starting at $2.99 per month and Littmann Learning sells 11 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

iCPG ships an update every 4 months, Littmann Learning every 6 weeks. Both last shipped on October 29, 2026.

## The numbers

| Metric | iCPG | Littmann Learning |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (856 ratings)](https://appshunter.io/ios/app/littmann-learning/id1324485260/reviews)** |
| Number of ratings | — | **856** |
| Positive reviews | 40.0% of reviews | **47.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Subscription | **Free with in-app purchases** |
| Best chart rank | — | **#198** |
| Size | 85 MB | 19 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Class Publishing Ltd](https://appshunter.io/developer/884962940) | [CSD Labs](https://appshunter.io/developer/1318756877) |

## What reviewers say

### iCPG

[App page](https://appshunter.io/ios/app/icpg-the-jrcalc-guidelines/id1062577568)

Access the UK ambulance clinical practice guidelines offline after subscribing. Features real-time updates, bookmarking, and dosage filtering by age and condition. Includes sections on general guidance, resuscitation, medical, trauma, and more.

**Highlights:** Offline access to JRCALC guidelines, Real-time guidance updates, Bookmark important guidelines, Filter drug dosages by age/condition, Quick look view of algorithms/diagrams

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iCPG Subscription | $2.99 | per month |
| iCPG Subscription | $30.99 | per year |


### Littmann Learning

[App page](https://appshunter.io/ios/app/littmann-learning/id1324485260)

**Currently charting:** #198 Top Grossing · Medical (US App Store)

This app provides access to real patient heart and lung sounds for auscultation education. It offers visual and audio displays, self-paced learning modules, and background reading material to help users recognize various heart and lung sounds.

**Highlights:** Real patient heart and lung sounds, Visual and audio displays, Self-paced learning modules, Graduated learning difficulty, Background reading material

**Features:** Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard Plan - 1 month | $3.99 | per month |
| Premium Plan - 1 month | $6.99 | per month |
| Basic Monthly | $8.99 | per month |
| Standard Plan - 1 year | $19.99 | per year |
| Semester Pass | $29.99 | per 6 months |
| Premium Plan - 1 year | $39.99 | per year |
| Full Version | $44.99 | per year |
| Annual Pass | $49.99 | per year |
| CE -  Fundamentals | $124.99 | one-time |
| CE -Advanced | $174.99 | one-time |
| CE - Intermediate | $249.99 | one-time |


## Frequently asked questions

### Is iCPG free?

iCPG is free to download, with in-app purchases available.

### Is Littmann Learning free?

Littmann Learning is free to download, with in-app purchases available.

### Do iCPG or Littmann Learning have ads?

Neither iCPG nor Littmann Learning shows ads.

### Which is updated more often, iCPG or Littmann Learning?

iCPG ships an update every 4 months, and Littmann Learning every 6 weeks. Most recently, iCPG was updated on October 29, 2026 and Littmann Learning on October 29, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*